C Programming Tutorial

C is a powerful general-purpose programming language widely used for system programming, embedded systems, and application development.

This tutorial covers all major C programming concepts from beginner to advanced level.

Introduction to C

• What is C?
• History of C
• Features of C
• Setting Up C Environment

C Data Types

Data types define the type of data a variable can store.

• Primitive Data Types
• Derived Data Types
• Enumerated Data Types
• Void Data Type

Variables and Constants

• Declaring Variables
• Constants in C
• Storage Classes: auto, register, static, extern

Operators in C

• Arithmetic Operators
• Relational Operators
• Logical Operators
• Bitwise Operators
• Assignment and Conditional Operators

Control Structures

• If, Else, Else-If Statements
• Switch Case Statement
• Loops: for, while, do-while
• Break and Continue Statements

Functions in C

• Defining Functions
• Function Arguments and Return Types
• Function Overloading (using different names)
• Recursion in C

Arrays in C

• 1D Arrays
• 2D Arrays
• Multidimensional Arrays
• Array Manipulation Techniques

Strings in C

• Defining Strings
• String Operations (concatenation, comparison, etc.)
• Using Standard Library Functions with Strings

Pointers in C

Pointers store memory addresses and are a powerful feature of C.

• Introduction to Pointers
• Pointer Arithmetic
• Function Pointers
• Pointers to Arrays and Strings
• Memory Allocation (malloc, calloc, realloc, free)

Structures and Unions

• Defining and Using Structures
• Structure Arrays
• Unions and Their Use Cases

File Handling in C

• Opening and Closing Files
• Reading from and Writing to Files
• File Pointers and File Modes
• Working with Binary Files

Dynamic Memory Allocation

• Using malloc(), calloc(), realloc(), and free()
• Memory Leaks and Their Prevention

C Preprocessor Directives

• Macros and #define
• File Inclusion (#include)
• Conditional Compilation (#ifdef, #ifndef, #endif)

C Standard Library Functions

• String Functions (strcpy, strlen, strcmp, etc.)
• Math Functions (sqrt, pow, etc.)
• Memory Functions (memcpy, memset, etc.)

Advanced Topics in C

• Multithreading in C
• Signal Handling
• Dynamic Link Libraries (DLL) and Shared Libraries

Best Practices in C

• Code Optimization
• Memory Management Best Practices
• Debugging Techniques
• Error Handling